你可以说:"Your Engpsh is excellent." 或者 "You have a great command of Engpsh."

这个表达的来源是来自于对于一个人英语水平的评价,表示对于英语的掌握能力很优秀。

英文例句:

"Your Engpsh is excellent. How long have you been studying it?"
"You have a great command of Engpsh. Your pronunciation and grammar are flawless."

中文翻译:

"你的英语非常棒。你学了多长时间?"
"你的英语掌握得很好。你的发音和语法都非常流利。"